JP5886558B2 - Electronic book display device - Google Patents

Description

  The present invention relates to an electronic book display device that displays text information described in an electronic book in association with map information.

  2. Description of the Related Art Conventionally, electronic book display devices that display electronic books have been widely used. The size of the display screen of the electronic device as such an electronic book display apparatus 100 is not uniform, and a single user generally displays and subscribes to the same electronic book on different electronic devices. . In such a case, the method in which the number of changes in the display screen of the electronic device is simply stored as the number of pages cannot be used as bookmark information when another electronic device is used. Thus, a technique for setting an index that can be read from any electronic device at an arbitrary position of the electronic book has been developed (see, for example, Patent Document 1).

  In addition, it searches a myriad of text data scattered on the net, identifies the place names that exist in the text data, determines the latitude and longitude of the place name, and generates a snippet of the text data based on the place name width, etc. There are known search engines (see, for example, Patent Document 2). Thereby, the user who is going to obtain the information regarding a specific town can also obtain the text data describing the city including the town and the information of the characters constituting the town.

JP 2010-515174 A JP 2009-134464 A

  However, none of the conventional techniques associates a text string expressing a geographical position in text information described in an electronic book and a description position where the text string is described. Therefore, it does not exhibit a so-called geographical bookmark function that refers to a specific page of an electronic book using a geographical character string as a key. It is also impossible to recommend an electronic book in which information on the same region is described using a geographical character string as a key.

  The present invention provides a text string representing a geographical position in text information described in an electronic book, and search data in which a description position in which the text string is described is associated with the electronic book. Its purpose is to provide a book's geographical bookmarking function, as well as the relevance of an electronic book with information about the same region.

In order to solve the above-described problem, an electronic book display device according to the present invention includes a latitude of the geographical position represented by a text string representing a geographical position in text information described in the electronic book, Search data storage means for associating the longitude and the text string that is the origin thereof with book specifying information for specifying an electronic book and storing them in a mutually searchable manner, map display means for displaying a map, and the map display means A region specifying unit for specifying a region by accepting a scroll operation on the displayed map, and searching the search data storage unit based on latitude and longitude data related to the region specified by the region specifying unit; Extract and display a text string related to the area whose geographical position is specified by the area specifying means and an electronic book describing the text string It is characterized in further comprising a retrieval result displaying means that.

  Note that the above-described features do not enumerate all the features of the present invention, and a configuration (or method) including these as main parts can also be an invention.

The electronic book display device of the present invention can provide the geographical bookmark function of an electronic book and the relevance of the electronic book related to information on the same region.

It is a block diagram which shows the structure of the electronic book display apparatus of this embodiment. It is a figure which shows the data structure of the search data utilized for the electronic book display apparatus of this embodiment. It is a flowchart of the process which produces | generates the search data of the electronic book display apparatus of this embodiment. It is a flowchart of the process which displays the search result of the electronic book display apparatus of this embodiment. It is a flowchart of the process which displays the search result of the electronic book display apparatus of this embodiment. It is a figure which shows an example which displays the electronic book of this embodiment. It is a figure which shows an example which displays the electronic book of this embodiment. It is a figure which shows an example which displays the electronic book of this embodiment. It is a figure which shows an example which displays the electronic book of this embodiment.

  Hereinafter, embodiments embodying the present invention will be described.

  As shown in FIG. 1, an electronic book display device 100 according to the present embodiment includes an internal storage device such as a ROM and a RAM in which computer programs and processing conditions are stored in advance, a CPU that executes the computer program, and execution results. It is a computer which consists of a display etc. which output. The electronic book display device 100 includes a geographic information extraction unit 110, a geocoding unit 120, a search data storage unit 130, a search result display unit 140, a map display unit 150, a region specification unit 170, a text specification unit 180, and a current position detection unit 190. It has.

  The geographic information extraction unit 110 reads the electronic book data stored in the electronic book storage device 210, and the text string representing the geographical position in the book identification information and the text information described in the electronic book, and the text string The description position where the text string is described is extracted. The book specifying information is information for specifying an electronic book, such as an electronic book name or an electronic book ID. Text strings that represent geographical locations in text information are terms used as place names, such as names of administrative districts, names of features such as mountains, rivers or lakes, facilities that serve as landmarks, or Names of scenic spots, names of road-related facilities such as bridges and tunnels, and names of historic sites. The description position where the text string is described is expressed by, for example, the page number corresponding to the original paper book, the number of characters up to the position where the text string is described, and the like.

  The electronic book storage device 210 is an external storage device connected to the electronic book display device 100 and stores a large number of electronic book data.

  The geocoding unit 120 converts the geographical position represented by the text string extracted by the geographic information extraction unit 110 into latitude and longitude information. The geocoding unit 120 refers to a era name dictionary that collects data in which place names of old ages and current place names are associated with each other. If the text string extracted by the geographic information extraction unit 110 is a place name of an old age, the geocoding unit 120 converts the text string to the current place name, and the geography represented by the converted current place name. A specific position into latitude and longitude information.

  The dictionary storage device 230 is an external storage device connected to the electronic book display device 100, and stores an age place name dictionary, a shape place name dictionary, and the like. The era place name dictionary is a database that collects data that associates place names of the old ages with the current place names. The prefecture corresponds. The shape place name dictionary is a database that collects data that associates shape information that represents the shape of the place name with respect to the place name, and stores, for example, shape information that expresses the shape of points, curves, or planes for administrative districts and lakes. doing. In addition, the shape information of the place name of the old age is also included, and for example, the shape information representing the shape of the plane indicating the area corresponds to the territory of the above-mentioned 藩. The geocoding unit 120 can further store information that represents an arbitrary point, curve, or plane using the place name.

  The search data storage unit 130 associates the latitude and longitude obtained by the geocoding unit 120 and the original text string and the description position where the text string is described with the book specifying information, and uses these as keywords. The search data that can be searched is stored.

  As shown in FIG. 2, the search data includes a book name, a place name, a current place name, a page number, a latitude, a route, and shape information as electronic book names. Although the search data is not shown in FIG. 2, an electronic book ID is also included, and even when there are a plurality of electronic books having the same name, each can be specified when searching.

  The search result display unit 140 searches the search data storage unit 130 using one or more of latitude, longitude, region, place name, or book name as a keyword, extracts an electronic book related to the keyword, and displays it on the display device 160. To do. The display device 160 is a device that displays an image on an image display surface, such as a liquid crystal display.

  According to the electronic book display device 100 of the present invention, latitude, longitude, a text string that is the origin, and a description position in which the text string is described are stored in association with the book specifying information so as to be mutually searchable. In addition, since the related electronic book is searched by using one or more of latitude, longitude, region, place name or book name as a keyword and the search result is displayed, it has a geographical bookmark function. Therefore, it is possible to display a specific page of an electronic book with reference to a geographical character string as a key.

  The map display unit 150 reads the map information stored in the map information storage device 220 and displays the map on the display device 160.

  The map information storage device 220 is an external storage device connected to the electronic book display device 100. The map information stored in the map information storage device 220 has a data structure capable of specifying latitude and longitude.

  The area specifying unit 170 specifies an area using the map displayed on the map display unit 150 and outputs the specified area to the map display unit 150. In the electronic book display device 100 of the present embodiment, the surface of the display device 160 has a touch panel function, and the map area and scale to be displayed by a user's designation, for example, a map operation such as enlargement, reduction, or scrolling. Etc. can be specified. The map display unit 150 to which the region is input displays a map related to the region on the display device 160 and outputs the latitude and longitude data related to the region to the search result display unit 140.

  The search result display unit 140 searches the search data storage unit 130 based on the latitude and longitude data related to the region specified by the region specifying unit 170, and the region whose geographical position is specified by the region specifying unit 170 A text string related to the e-book and an electronic book describing the text string are extracted and displayed on the display device 160.

  According to the electronic book display device 100 of the present invention, an area is identified from a map and an electronic book related to the area is guided, so an electronic book related to a place name that has been noticed accidentally is browsed immediately. This is convenient and convenient.

  In addition, the search result display unit 140 extracts latitude and longitude data regarding the text string extracted at this time, and outputs the data to the map display unit 150 together with the text string. Then, the map display unit 150 to which the text string and the latitude and longitude data related thereto are input displays the text string at a corresponding position on the map.

  The current position detection unit 190 is a GPS receiver that detects the current position based on radio waves from GPS satellites, and outputs detected current position data to the map display unit 150. The electronic book display device 100 of the present invention displays a map of a predetermined scale centered on the current position immediately after activation.

  The text specifying unit 180 specifies a text string or an electronic book name included in the electronic book displayed by the search result display unit 140. The text identification unit 180 identifies either the text string or the electronic book name displayed by the user's designation using the touch panel of the display device 160, and the identified text string or electronic book name is displayed in the search result display unit 140. Output.

  When a text string is input, the search result display unit 140 searches the search data storage unit 130 using the text string specified by the text specifying unit 180 as a keyword, extracts an electronic book related to the text string, and displays it. 160.

  According to the electronic book display device 100 of the present invention, a specific electronic book can be read, and other electronic books related to the electronic book read can be guided thereafter, so that a separate search device can be used for searching related electronic books. This is also convenient in this respect. Note that the other electronic books are electronic books different from the electronic books already displayed on the display device 160 by the search result display unit 140.

  In addition, when an electronic book name is input, the search result display unit 140 searches the search data storage unit 130 using the electronic book name specified by the text specifying unit 180 as a keyword, and an electronic book related to the electronic book name. Then, the page in which the text string previously displayed in correspondence with the electronic book name and the page number are extracted and displayed on the display device 160.

  Next, processing of the electronic book display device 100 of the present embodiment will be described. The electronic book display apparatus 100 of the present embodiment schematically includes two series of processes. One is search data generation processing for generating search data that enables search for electronic books, and the other is electronic book guidance processing for guiding electronic books using a map and search data.

<Search data generation processing>
First, a process in which the electronic book display apparatus 100 according to the present embodiment generates and stores search data for guiding an electronic book in advance will be described in detail with reference to FIG.

  First, the electronic book display device 100 reads an electronic book stored in the electronic book storage device 210 by the geographic information extraction unit 110, and sets the geographical information among the book identification information and the text information described in the electronic book. A process of extracting a text string expressing a correct position and a description position where the text string is described is executed (step S301). If the text string extracted by the geographic information extraction unit 110 is an old age place name, the place name is referred to a date place name dictionary that collects data in which an old age place name is associated with the current place name. Is converted into the current place name, and the geographical position represented by the converted place name is converted into latitude and longitude information.

  When step S301 ends, the electronic book display apparatus 100 performs a process of converting the geographical position represented by the text string extracted by the geographic information extraction unit 110 into latitude and longitude information by the geocoding unit 120. (Step S302).

  When step S302 is completed, the electronic book display device 100 uses the search data storage unit 130 to obtain the latitude and longitude obtained by the geocoding unit 120, the text string that is the origin, and the description position where the text string is described. A process of generating and storing search data associated with the book specifying information and making these searchable as keywords is executed (step S303). In the generated search data, the current location name, page number, latitude, longitude, and shape information are associated with each location name extracted by the geographic information extraction unit 110 for the book A, the book B,. As the shape information, the shape place name ID of the shape place name dictionary stored in the dictionary storage device 230 is adopted. Thereby, the search result display unit 140 can refer to the shape place name dictionary for details of the shape information of the place name extracted from the search data storage unit 130. The electronic book display device 100 performs a series of processes described above for all electronic books stored in the electronic book storage device 210, and stores in advance search data for executing an electronic book guidance process described below. deep.

<Electronic book guide processing>
Next, a process in which the electronic book display device 100 according to the present embodiment guides an electronic book using a map and search data will be described in detail with reference to FIGS. 4 and 5.

  When the electronic book display device 100 is activated, the electronic book display device 100 uses the current position detection unit 190 to detect the current position based on radio waves from GPS satellites, and the detected current position data is displayed on the map display unit. The process of outputting to 150 is executed (step S501).

  When step S501 ends, the electronic book display device 100 reads the map information stored in the map information storage device 220 by the map display unit 150, and the current position is centered at a scale set in advance as a default scale. A map of the area around the current position is displayed on the display device 160, and processing for outputting latitude and longitude data related to this area to the search result display unit 140 is executed (step S502).

  When step S502 is completed, the electronic book display device 100 causes the search result display unit 140 to use the latest data, the text string as the place name, or the electronic book among the latitude and longitude data output from the map display unit 150. The search data storage unit 130 is searched using the name as a keyword. Further, the electronic book display device 100 extracts and displays the text string extracted as a result of the search, the page of the electronic book in which the text string is described, the page number, the electronic book name, and the like by the search result display unit 140. Processing to be displayed on the device 160 is executed. In addition, the electronic book display device 100 executes a process of extracting the latitude and longitude data and the shape information regarding the text string extracted at this time by the search result display unit 140 and outputting them to the map display unit 150 together with the text string ( Step S503).

  Examples of images displayed on the display device 160 as an example of the present embodiment are shown in FIGS. Immediately after starting up the electronic book display device 100, as shown in FIG. 6, the map 610 displayed in the previous process is displayed on the left side of the image, and the text string list 620 is displayed on the right side of the map. The Further, the search result display unit 140 displays a list 621, 622, 623 of electronic book names of electronic books in which the text string is described in each text string.

  When step S503 ends, the electronic book display device 100 displays the text string input from the search result display unit 140 by the map display unit 150 on the map based on the latitude and longitude data associated therewith. The process displayed on the screen is executed (step S504). In an example of the present embodiment, as shown in FIG. 6, the character images of the text strings such as “◯ △ castle”, “△ □ mound”, “□ ○ garden” shown in the text string list 620 are: These text strings are displayed by the map display unit at corresponding positions on the map 610.

  In an example of this embodiment, the character images shown in the text string list 620 and the display colors of the character images shown on the map 610 are unified to make it easy to see the correspondence between the character images. In the example of this embodiment, the underlined character images shown in FIGS. 6 to 9 can be designated by the operation of the touch panel of the display device 160 performed by the user.

  When step S504 is completed, the electronic book display device 100 detects the operation of the touch panel of the display device 160 performed by the user by the region specifying unit 170 while waiting for the user's designation, and changes the map region, scale, and the like. A process of determining whether or not an instruction has been issued is executed (step S505). If the electronic book display apparatus 100 determines in step S505 that a change in map area, scale, or the like has not been instructed (step S505: No), the electronic book display apparatus 100 proceeds to step S507.

  If the electronic book display apparatus 100 determines in step S505 that an instruction to change the map area, scale, or the like has been given (step S505: Yes), the area specified by the area specifying unit 170 indicates the specified area. Execute the process to output to. Then, the electronic book display apparatus 100 executes a process of outputting the latitude and longitude data related to the region input in the current process to the search result display unit 140 (step S506). When step S506 ends, the map display unit 150 displays a map related to the area on the display device 160 (step S502).

  On the other hand, if the electronic book display device 100 determines in step S505 that the change of the map area, scale, etc. is not instructed (step S505: No), the search result display unit waits for the user's specification. A process of determining whether or not an electronic book name has been designated by detecting an operation of the touch panel of the display device 160 performed by the user is executed by 140 (step S507). If the electronic book display apparatus 100 determines in step S507 that the electronic book name is not designated (step S507: No), the electronic book display apparatus 100 proceeds to step S509.

  When the electronic book display device 100 determines in step S507 that the electronic book name has been specified by the user (step S507: Yes), the text identification unit 180 corresponds to the electronic book name and the electronic book name. The process of outputting the displayed text string to the search result display unit 140 is executed (step S508).

  When step S508 ends, the search result display unit 140 searches the search data storage unit 130 using the electronic book name specified by the text specification unit 180 and the text string displayed corresponding to the electronic book name as keywords. Then, an electronic book related to the electronic book name, in which a page in which a text string previously displayed corresponding to the electronic book name is described and its page number are extracted and displayed on the display device 160. Processing is executed (step S503). In step S503, the electronic book display apparatus 100 uses the search result display unit 140 to extract latitude and longitude data related to the text string output from the text specifying unit 180 from the search data storage unit 130 and display the map together with the text string. Processing to be output to the unit 150 is executed.

  In an example of the present embodiment, when “book A” having a description of the text string “○ △ castle” displayed in FIG. 6 is designated, as shown in FIG. The display area of the list 620 of columns is switched to the electronic book detail image 630, and the designated electronic book name “Book A”, the text column “○ △ Castle” and the text column that have been displayed corresponding to the electronic book name so far are displayed. The page number “P11” of the page in which is described is displayed. In the example of the present embodiment, the text string that was displayed in association with the identified electronic book name is displayed first, so that the search result display unit 140 relates to the text string output to the map display unit 150. Since the latest data of the latitude and longitude data to be used is the same as the previous data, the display form of the map 610 is not changed.

  If the electronic book display apparatus 100 determines in step S507 that the electronic book name is not specified (step S507: No), the search result display unit 140 displays the display performed by the user while waiting for the user's specification. A process of detecting an operation of the touch panel of the device 160 and determining whether or not a text string is designated is executed (step S509). If the electronic book display apparatus 100 determines in step S509 that the text string is not specified (step S509: No), the electronic book display apparatus 100 returns to the process of step S505 and waits for the user's specification.

  If the electronic book display device 100 determines in step S509 that a text string has been specified (step S509: Yes), the text specifying unit 180 performs processing to output the specified text string to the search result display unit 140. (Step S510).

  When step S510 ends, the electronic book display apparatus 100 returns to the processing of step S503, and the search result display unit 140 searches the search data storage unit 130 using the text string specified by the text specification unit 180 as a keyword, and the text. A process of extracting the electronic book name of the electronic book in which the column is described and displaying it on the display device 160 is executed. In step S503, the electronic book display apparatus 100 uses the search result display unit 140 to extract latitude and longitude data related to the text string output from the text specifying unit 180 from the search data storage unit 130 and display the map together with the text string. Processing to be output to the unit 150 is executed.

  In the example of this embodiment, when the text string “◇ ▽ temple” displayed in FIG. 7 is designated, as shown in FIG. 8, the display area of the electronic book detailed image 630 that has been displayed so far is text. The display is switched to the column list 640, and a designated text string “「 ▽ Tera ”and a list 641 of electronic book names of electronic books in which the text string is described are displayed.

  In an example of this embodiment, in step S505, the latest data among the latitude and longitude data related to the text string output by the search result display unit 140 is different from the immediately preceding data, and the text string “◇” Since “▽ Temple” is not displayed on the map 610, the area specifying unit 170 determines that the change of the map area, scale, etc. has been instructed (step S505: Yes), and the text string “◇ ▽ Temple”. The process which outputs the area | region specified so that the character image of may be located in the center to the map display part 150 is performed (step S506). As a result, the map is switched to a map 650 as shown in FIG.

  In the example of the present embodiment, when the book B displayed in the electronic book name list 641 of the electronic book displayed in FIG. 8 is specified while waiting for the user's specification, the user in step S507 If it is determined that the electronic book name is designated by the designation (step S507: Yes). In this case, as shown in FIG. 9, the list of text strings 640 displayed up to that point is switched to the electronic book detailed image 660 by the process of step S508 described above and the process of step S505 executed subsequently, and is designated. In addition, the electronic book name “Book B”, the text string “◇ ▽ temple” displayed corresponding to the electronic book name and the page number “P35” of the page in which the text string is described are displayed.

  According to the electronic book display device 100 of the present embodiment, a specific electronic book can be read, and other electronic books related to the electronic book read after that can be guided, so that a separate search is performed for searching related electronic books. Since there is no need to prepare an apparatus, this is also convenient.

  In the example of the present embodiment, when the user designates the text string “▽ ○ 表示” displayed in FIG. 9 (step S509: Yes), the electronic book display device 100 designates the text string using the text identification unit 180. A process of outputting the text string “▽ ○ 藩” to the search result display unit 140 is executed (step S510). In addition, the electronic book display device 100 executes processing for extracting the latitude, longitude, and shape information data related to the text string and outputting the data together with the text string to the map display unit 150 by the search result display unit 140 (step S503). When the shape information related to the text string “▽ ○ 藩” is referred to, the entire “▽ ○ 藩” cannot be displayed at the scale that has been displayed so far, so the area specifying unit 170 displays the entire “▽ ○ 藩”. The area which can be performed is specified, and the process which outputs this specified area to the map display part 150 is performed (step S506). In addition, when an area is specified in this way, the area specifying unit 170 outputs information to be displayed with reference to shape information to the map display unit 150, and the map in which this information is input The display unit 150 highlights the shape related to the shape information on the map. In an example of the present embodiment, the entire area occupying “「 ○ 藩 ”is displayed in a predetermined color.

<Others>
In addition, this invention is not limited to the above-mentioned embodiment, A various change and improvement are possible in the range which does not deviate from the summary of this invention. For example, in the above-described embodiment, the electronic book storage device 210, the dictionary storage device 230, and the map information storage device 220 are provided separately, but these are set by setting different storage areas in one storage device. Each information may be stored in each area.
In the above-described embodiment, the dictionary storage device 230 is an external storage device. However, the dictionary storage device 230 may be incorporated in the electronic book storage device 210.

DESCRIPTION OF SYMBOLS 100 ... Electronic book display apparatus 110 ... Geographic information extraction part 120 ... Coordinate determination part 130 ... Search data storage part 140 ... Search result display part

Claims (4)

A book that identifies an e-book with the latitude and longitude of the geographical position represented by the text string representing the geographical position in the text information described in the electronic book, and the text string from which the geographical position is based Search data storage means for associating with specific information and storing them in a mutually searchable manner,
Map display means for displaying a map;
Area specifying means for specifying an area by accepting a scroll operation on the map displayed by the map display means;
The search data storage means is searched based on latitude and longitude data related to the area specified by the area specifying means, and the geographical position is related to the area specified by the area specifying means. An electronic book display device comprising: search result display means for extracting and displaying an electronic book in which a column and its text string are described. Of the text strings included in the electronic book displayed by the search result display means, further comprising a text specifying means for specifying a text string specified by the user,
The search result display means searches the search data storage means using the text string specified by the text specifying means as a keyword, and extracts and displays the other electronic books related to the text string. The electronic book display device according to claim 1. The said search data storage means further has ages gazetteer collected was allowed to correspondence data is stored and old age of place names and the current place name for the place name, the previous Kite text column in the old age of the place names latitude geographic location where the current place names that are converted based on the age gazetteer is expressed, longitude information and the current place names associated with the book identification information for identifying the electronic dictionary if one another The electronic book display device according to claim 1, wherein the electronic book display device is stored so as to be searchable . Wherein the text column, the arbitrary point, the electronic book display apparatus according to claim 1, characterized in that the information representing the curve or plane is further associated.